Cat From Our World & The Forgotten Witch

In her youth, Jeanne was a powerful witch who vanquished the evil Demon King and saved the world-but over time, the people she rescued have forgotten her. Now she is a lonely old woman living in a secluded forest... until she accidentally summons a cat from Earth to her home. The former city kitty is now gigantic and must acclimate to this new world. Can a cat from another world soothe the loneliness of the forgotten witch?